Environmental Science: Pollution,
Conservation, and Renewable Energy Concepts
Exam Questions and answers
Pollution - ✅✅Any undesired alteration of the environment
Desertification - ✅✅The conversion of semiarid land to desert
Deforestation - ✅✅The removal of trees
Polyculture - ✅✅Planting two or more different crops in the same area
Contour farming - ✅✅Conserves topsoil because it reduces agricultural runoff
Fossil fuels - ✅✅Oil, natural gas, and coal derived from the compressed remains of plants and animals
that died millions of years ago
Hydropower - ✅✅Hydroelectric plants convert the energy of falling water into electricity
Geothermal energy - ✅✅Heat generated within the Earth
Wind power - ✅✅Energy generated from wind
Solar energy - ✅✅Energy generated from the sun
Mineral - ✅✅Nonrenewable raw materials that are mined
Biodiversity - ✅✅The variety of life, number of different species
